package com.biejiaogroup.librarymanager.controller;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet("/headshot")
public class HeadshotServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        String userID = request.getParameter("userID");
        String path = "/src/headshots/" + userID + ".jpg";
        File f = new File(getServletContext().getRealPath(path));
        PrintWriter out = response.getWriter();

        if (f.exists()) out.print(path);
        else out.print("/src/headshots/default.jpg");
    }
}
